https://www.w3.org/Bugs/Public/show_bug.cgi?id=16544
Mark Watson <watsonm@netflix.com> changed:
What |Removed |Added
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CC| |watsonm@netflix.com
--- Comment #1 from Mark Watson <watsonm@netflix.com> 2012-07-21 01:10:33 UTC ---
The diagram has led to confusion as it shows the "decrypted frames" being
passed back from CDM to the browser.
This is one possibility, but there are other possibilities in which the
decrypted, encoded frames or decrypted encoded and decoded frames remain within
a secure media pipeline provided by the platform.
In these cases the browser may be provided only with a reference to the
decrypted/decoded frames, or some means of controlling the surface on which
they are rendered, but no access to the decrypted media itself.
The details of what is supported and how it is achieved are implementation
dependent and are not expected to be spelled out in the specification. It is
the job of the CDM to communicate, securely, implicitly or explicitly, the type
of security provided to it's peer on the server side as an input to
authorization decisions: i.e. whether the content requested can be played on
the device in question.
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